Attack on Titan, my favorite anime ever.
Some soundtracks:
https://www.youtube.com/watch?v=pFoc5XKkIIw
All 3 openings for now:
https://www.youtube.com/watch?v=AKbbMsvyOpo
And the first ( most brutal episode ever in a anime ) imo.
https://www.youtube.com/watch?v=koJGHfDLAQo
Cant wait for season 3 that will be released in summer 2018 :)
Hope u enjoyed the post!